ref: f31e1f4e4272beae2bc8a40ee2d5fb5a3061a3d3
dir: /sys/src/cmd/hg/templates/rss/map/
default = 'changelog'
mimetype = 'text/xml; charset={encoding}'
header = header.tmpl
changelog = changelog.tmpl
changelogentry = changelogentry.tmpl
filelog = filelog.tmpl
filelogentry = filelogentry.tmpl
tags = tags.tmpl
tagentry = tagentry.tmpl
error = error.tmpl